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Gene Review

SPA2  -  protein SPA1-related 2

Arabidopsis thaliana

Synonyms: SPA1-related 2, T22B4.90, T22B4_90
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High impact information on SPA2

  • The SPA2 protein is constitutively nuclear localized in planta and can physically interact with the repressor COP1 [1].
  • In these processes, SPA2, SPA3 and SPA4 have overlapping but distinct functions [2].


  1. The SPA quartet: a family of WD-repeat proteins with a central role in suppression of photomorphogenesis in arabidopsis. Laubinger, S., Fittinghoff, K., Hoecker, U. Plant Cell (2004) [Pubmed]
  2. Functional and expression analysis of Arabidopsis SPA genes during seedling photomorphogenesis and adult growth. Fittinghoff, K., Laubinger, S., Nixdorf, M., Fackendahl, P., Baumgardt, R.L., Batschauer, A., Hoecker, U. Plant J. (2006) [Pubmed]
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